Method and arrangement for producing operating voltage

Details Method and arrangement for producing operating voltage Method and arrangement for producing operating voltage

1998-10-02

2000-01-25

Wong, Peter S.

Electric power conversion systems

Current conversion

With condition responsive means to control the output...

363 41, 363 17, 363132, H02M 112, H02M 3335, H02M 324, H02M 75387

Patent

active

060184701

ABSTRACT:
The invention relates to a method and an arrangement for producing an operating voltage of a desired form. A high-voltage operating voltage of a desired form is produced by means of a DC-AC converter. The desired operating voltage is usually a sine voltage. The DC-AC converter is controlled by means of a pulse form control signal of a signal generator, the pulse width of the control signal being controlled by means of a pulse width modulator. To change the pulse width of the control pulses, the operating voltage of a desired form produced by means of the DC-AC converter is compared with a reference signal and a comparator is used for forming a difference signal. The difference signal is used for controlling the pulse width of the control signal of the pulse generator in order to produce the operating voltage of a desired form.

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Finnish Office Action.

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